Foreign key in DBMS is5
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Q: Foreign key in DBMS is
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Answer :
Explanation :
Foreign keys are the columns of a table that points to the primary key of another table. They act as a cross-reference between tables. In detail : A Foreign key is a field (or collection of fields) in one table that uniquely identifies a row of another table or the same table. In simpler words, the foreign key is defined in a second table, but it refers to the primary key or a unique key in the first table.
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Since Nithya and Suganya exchange places, so Rita’s new position is the same as Monika’s earlier position. This position is 17th from the right and 10th from the left. Therefore Number of girls in the row = (16 + 1 + 9) = 26.